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Truck/Loader Team Work cont'd Task # : 004 <br />Loading Tool Cycle Time : Number of loading tool passes required to fill truck <br />Excavators and front shovels -machine cycle time vs. job condition rating : NA <br />- selected value within basic rating : NA <br />Track loaders - material descr.:NA <br />- cycle time elements (min.) : Load : NA Maneuver : NA <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumF_ <br />Dump : 0.100 <br />0.600 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Material 6" and over diameter 0.030 (Cat HB) <br />Stockpile : Conveyor or dozer piled 10 ft. high or less 0.010 (Cat HB) <br />Truck ownership : Common ownership of trucks and loaders -0.040 (Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump target : Nominal target 0.000 (Cat HB) <br /> Net cycle time aajusiment : -u.u4u nmwtcb <br /> Adjusted loader cycle time (total time per loader pass) : 0.560 minutes <br /> Net load time per truck * : 1.680 minutes <br />Truck Cycle Time : • bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />Truck exchange time **: 0.00 minutes........ Adjusted for site altitude : 0.000 minutes <br />Truck load time: 1.680 minutes........ Adjusted for site altitude : 1.680 minutes <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 0.900 minutes <br />** set at 0 if exchange time < adj. loader cycle time (truck exchange completed during 1st loader cycle) <br />Truck travel (haul & return) time: Road condition : Soft, rutted dirt, no maintenance or water, 4" fire penetration <br />I-InI d MI ita <br />Road <br />segment# Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(feet/minute) Travel time <br />(minutes) <br />1 260 0.00 5.00 5.00 2218 0.232 <br />2 1,440 11.50 3.00 14.50 734 1.692 <br />3 550 0.00 8.00 8.00 1381 0.422 <br /> <br /> <br /> <br /> <br /> <br />Rah irn mi rta <br />sheet 2 of 2 <br />3 passes <br />Haul time ** : 2.346 minutes <br />1 550 0.00 8.00 8.00 2202 0.272 <br />2 1,440 -11.50 3.00 -8.50 2938 0.211 <br />3 260 0.00 5.00 5.00 2814 0.093 <br /> <br /> <br /> <br /> <br /> <br />* travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.576 minutes <br />total haul and return time shown includes altitude adjustment Total truck cycle time : 5.502 minutes <br />Loading tool unit production : 506.25 _LCY/hour...... Adjusted for job efficiency : 420.19 LCY/hour <br />Truck unit production : 154.58 LCY/hour...... Adjusted for job efficiency : 128.30 LCY/hour <br />Optimal no. trucks/loading tool : 3 -trucks........... Selected no. trucks/loader : 3 trucks <br /> Adjusted hourly truck team production : 384.91 LCY/hr <br /> Adjusted hourly single truck/loader team production : 384.91 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 384.91 LCY/hr <br />JOB TIME AND COST <br />Fleet size Team(s) Total job time : 96.78 Hours <br />Unit cost : $1.275 /LCY Total job cost : $47,492